from django.db import models
from django.utils.encoding import force_text
from django.urls import reverse
from django.template.defaultfilters import slugify

from utils.util import markdown_to_html


class Publisher(models.Model):
    name = models.CharField(max_length=200)
    slug = models.SlugField(max_length=50)
    body_markdown = models.TextField(null=True, blank=True)
    body_html = models.TextField(null=True, blank=True)
    url = models.CharField(max_length=200, blank=True, null=True)
    payment_time = models.DecimalField(max_digits=2, decimal_places=0)
    order = models.DecimalField(max_digits=1, decimal_places=0)

    class Meta:
        ordering = ('order',)

    def __str__(self):
        return self.name

    def save(self, *args, **kwargs):
        if self.body_markdown:
            self.body_html = markdown_to_html(self.body_markdown)
        super(Publisher, self).save()


class PubItem(models.Model):
    title = models.CharField(max_length=200)
    slug = models.CharField(max_length=50)
    body_markdown = models.TextField(null=True, blank=True)
    body_html = models.TextField(null=True, blank=True)
    url = models.CharField(max_length=200, blank=True, null=True)
    pub_date = models.DateTimeField('Date published')
    publisher = models.ForeignKey(Publisher, on_delete=models.CASCADE)

    class Meta:
        ordering = ('-pub_date',)

    def __str__(self):
        return self.title

    def get_absolute_url(self):
        return reverse("resume:detail", kwargs={"publisher": self.publisher.slug, "slug": self.slug})

    def admin_link(self):
        return force_text('<a href="%s">Visit Site</a>' % (self.url))
    admin_link.allow_tags = True
    admin_link.short_description = 'Live Article'

    def save(self, *args, **kwargs):
        if self.body_markdown:
            self.body_html = markdown_to_html(self.body_markdown)
        super(PubItem, self).save()


class Job(models.Model):
    title = models.CharField(max_length=200)
    employer = models.CharField(max_length=200, blank=True)
    date_start = models.DateField('Date Start')
    date_end = models.DateField('Date End', null=True, blank=True)
    body_markdown = models.TextField(blank=True)
    body_html = models.TextField(blank=True)

    class Meta:
        ordering = ('-date_end',)

    def __str__(self):
        return '{} - {}'.format(self.title, self.employer)  # py3.1+ only

    def save(self, *args, **kwargs):
        if self.body_markdown:
            self.body_html = markdown_to_html(self.body_markdown)
        super(Job, self).save()


class Resume(models.Model):
    title = models.CharField(max_length=200)
    slug = models.CharField(max_length=50, blank=True)
    profile = models.TextField()
    profile_html = models.TextField(blank=True)
    skills = models.TextField()
    skills_html = models.TextField(blank=True)
    jobs = models.ManyToManyField(Job)

    def __str__(self):
        return self.title

    def save(self, *args, **kwargs):
        if self._state.adding and not self.slug:
            self.slug = slugify(self.title)
        if self.skills:
            self.skills_html = markdown_to_html(self.skills)
        if self.profile:
            self.profile_html = markdown_to_html(self.profile)
        super(Resume, self).save()